All Questions

2
votes
2answers
10 views

Will adding a BY-SA image to a blog post make the entire post BY-SA?

I tried to read the license deed but it was too advanced for me to understand. Consider these 2 situations, I take a CC-BY-SA image and upload it to my blogpost it as is, without any modification. I ...
2
votes
1answer
14 views

What licence header to use for paid contributors pushing code for an open-source AGPL project?

If I hire someone to work on a soon to be opensource AGPL project with me what licence header should they use for the code committed by them? Currently all files have the following header Copyright (...
1
vote
1answer
15 views

Is content licensed under CC BY-NC-SA 4.0 allowed in app stores?

I was reading the website of the Secret Hitler board game which states the following (emphasis mine): Secret Hitler is licensed under Creative Commons BY–NC–SA 4.0. That means you have to give us ...
-2
votes
0answers
24 views

Apart from Creative Commons and GFDL are there any other licenses for images?

This is just for my knowledge. I had to select a license to release my work and my searches led me various licenses. What licenses apart from Creative Commons and GFDL can be used for images? Say ...
1
vote
1answer
32 views

My university is asking to choose between BY-SA and GFDL to release my work

An infographic I designed is to be uploaded to my university website. They have asked me to choose between the BY-SA and GFDL to release my work. I tried looking up the difference but I cannot find ...
1
vote
0answers
15 views

Distributing 3-BSD code under the Apache license v2 only

Alice and Bob write a piece of source code (call it Source1) and publish it under the 3-BSD license. Later, Bob and Charlie are working on a software project, licensed under AL2 (Apache License v2). ...
2
votes
0answers
26 views

How can I convince my manager to publish my tool under open source license?

for my job I wrote a tool for the command line. I think it is a tool that would be very useful in lots of situations. It is general and fast, so I'd like to publish it under an open source license. I ...
1
vote
0answers
24 views

License for open source application based on Qt

I'm developing an free and open source application that uses Qt. I'm not making any changes to Qt library itself. I wanted to know: On what license can I publish my application sources. On what ...
0
votes
1answer
25 views

License of papers on arxiv

I'm wondering if I can use any paper from arxiv.org for building commercial app. For better clarity let's say I want to build myself commercial app based on this paper in which I can't find anything ...
0
votes
0answers
19 views

How to switch some modules/libraries between their corresponding open source code and distr binary rpm?

As well-known, many modules/libraries have the two type file format, one is the open source code, the other is distr binary rpm. So how to switch these modules/libraries while calling them, ...
0
votes
1answer
18 views

shiny and GPL-3

I'm tasked with developing a dashboard using shiny, but I'm concerned about the GPL-3 license. My understanding is this, and please correct me where I've gone wrong: If the dashboard is used inside ...
1
vote
2answers
21 views

How can I correctly apply the Apache 2.0 licence to contributed code from an existing repository?

Given a repository github.com/x in github that is licenced with Apache 2.0. On their source files they have Copyright [2019] [Evil Corp] Licensed under the Apache License, Version 2.0 (the "License")...
1
vote
1answer
19 views

Do I have to attribute licenses of all the libraries of the same project?

Let's say I use Jersey Inject, Jersey Container Jetty HTTP, Jersey Container Servlet Core for the backend of my Android App. In the "Open Source Libraries" section, do I have to mention them all ...
2
votes
1answer
27 views

GPL v3 - Does freely distributed software that includes GPL licensed code also require sharing source?

The Arkansas Division of Land Surveys shares all of their documents as pdfs with password protection, and they have a little viewer app that has the password built in: https://surveyor.arkansas.gov/...
2
votes
1answer
13 views

Does using a GPL v2.1 as a resource in studying count as derivative work?

I came across source code for an AI that plays some classic video games. It's licensed as: GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, I understand the Gnu license pretty well and if I were to ...
2
votes
1answer
23 views

Licence for usage of GPL, apache licence

Never though of that before, until read Linus note in Linux kernel: "GPL below is copyrighted by the Free Software Foundation" So, what right do we have to use so called free software licences? ...
-1
votes
1answer
19 views

Can i use Qt Virtual Keyboard?

Is this design correct? System Qt 5 has qtvirtualkeyboard thich is GPL. Can I link my proprietary app with system Qt? Can I create open source app which run Qt Virtual Keyboard then load my app as ...
4
votes
1answer
35 views

What are the drawbacks of releasing my language under MPL 2.0?

I'm about to publish the source of the compiler of my new language and the standard library, both written in this language. I need to choose the license. GPL is too restrictive (even with the linking ...
5
votes
1answer
65 views

Is there a legal definintion of a file?

The MIT, GPL, and Apache Licenses all make references to "files". Here are example of such references: (all emphasis added) MIT: Permission is hereby granted, free of charge, to any person ...
3
votes
2answers
56 views

Must a plugin for a GPLv2 work also be GPLv2?

I would like to develop an addon/extension plugin for an existing WordPress plugin, to add some premium features, but the base plugin's source-code is under GPLv2, which makes me doubtful... Is any ...
1
vote
1answer
25 views

Can I use a company's name in my open-source project?

I'm developing a small open-source plugin for a fairly well known CMS, which as far as I can tell has a trademark on the product and company name. It's starting to get a bit of traction, so I'm in the ...
3
votes
1answer
42 views

How do I handle aggressive or toxic project maintainers?

One thing in OSS I have now run into a few times are project owners or maintainers who are very aggressive. Sentences are taken out of context, asking about a design decision is seen as an attack and ...
1
vote
0answers
16 views

Can I use AVS Device SDK to access another voice service API?

We are developing a smart device in China and we would like to use DuerOS as our voice assistant. Since they have a version of API which is aligned with Alexa Voice Service, we want to re-use the AVS ...
6
votes
1answer
204 views

Modifying the copyright statement in WTFPL

A project I am following uses the WTFPL but updated the text to replace the copyright statement Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> with the project author's name and email ...
2
votes
1answer
34 views

WordPress: is extending plugin allowed by GPLv2?

I would like to extend an existing plugin (for example FileBird), to add some features, and later publish and sell it off... But although the plugin's source-code can be simply downloaded from ...
4
votes
2answers
989 views

GPLv2 - licensing for commercial use

I have a few questions regarding the GPLv2 license: For it to be GPLv2, I need provide access to my source files? If I use the v2 license, but charge for use, do users HAVE to purchase my license in ...
4
votes
0answers
52 views

LGPL license in a concatenated JS file

I came across an old project in which there's a LGPL licensed JavaScript code was used. The code had the commented LGPL license information, but it was in a combined JS file (Not minified though) ...
1
vote
1answer
50 views

How can Qt charge for a commercial license without getting copyright assignments from contributors?

As I understand, if the copyright holder accepts external contributions under GPL / LGPL, they are no longer the sole copyright owner and cannot charge for a commercial license. Or does this only ...
1
vote
1answer
16 views

Can I use cacert.pem file (MPL 2.0) as part of my proprietary program

I need The Mozilla CA certificate store file in PEM format to be always available to my Windows C++ proprietary application. I can copy it to user machine as part of normal installation of software, ...
5
votes
1answer
52 views

Does “the GPL doesn't cover the ouput of a program” also apply if the output is source code?

As it is well known (see for example this question or this one), the GPL licenses do not cover the output of a GPL-licensed program. So, I could for example generate some pictures with a GPL-licensed ...
3
votes
1answer
59 views

Can I sell Wiktionary data?

I'm wanting to sell Wiktionary word definitions - not the raw page HTML and content, but extract the word definitions and package them in a couple of formats: Documents (e.g. PDF) Powerpoints App ...
-1
votes
0answers
42 views

License Implications for Software Dependent on Third-Party Software

Situation: I have developed a piece of software that makes use of a third-party software. The third-party software is installed separately by the user of my software (not delivered along with my ...
0
votes
1answer
47 views

Who holds the copyright of standard lib C implementations?

I was wondering, since the ISO standard already gives already examples for a few functions on how to implement them, but by far not all, and I am not too sure, where exactly the functionality is ...
1
vote
0answers
16 views

Can I sell and distribute my software using OpenJDK without having to release my code?

We develop a software for commercial use and sell it to customers. The software is a web based software that requires Oracle JDK for running (JRE). We are considering moving to OpenJDK because our ...
3
votes
1answer
33 views

Can I use separate license for commercial use?

I would like to create a REST API in my server that internally use a GPL library. As far as I know the GPL license affects the 'distribution' not the 'usage'. -So whoever calls(uses) my REST API ...
0
votes
1answer
31 views

Debian packaging … is licensed under the GPL version 3 in copyrights file

On Ubuntu I see for many packages copyright file under /usr/share/doc/%PKG_NAME%/. In the file of some of those packages, I see the following at the end of the file (protobuf, which looks like BSD (...
4
votes
2answers
72 views

Release GPL/Open version of project, still sell proprietary license?

Having witnessed projects such as LUFA, which are open source with the MIT license but still have a purchase button for a proprietary license of the toolbox (revoking the MIT License and offering ...
4
votes
2answers
62 views

Why does the clause 3 of 4-clause BSD makes it incompatible with GPL?

As explained on the GNU GPL site, the 4-clause BSD is incompatible with GPL because of the clause 3 which states: All advertising materials mentioning features or use of this software must ...
3
votes
2answers
65 views

Amount and way of publishing under share-alike license

I found a small C++ code example (containing a function) that is under CC-BY-SA-4.0 license. I am thinking about revising that example, extending it to multiple functions and using it in a much bigger ...
14
votes
2answers
3k views

GPL code private and stolen

I have a question regarding code which was originally under GPL. The code was used and was built upon and used as a service. The code was kept private, which seems okay under GPL. However, if one of ...
1
vote
0answers
25 views

Does rewriting a library in another language allow escaping GPL? [duplicate]

Given a library A, which is written in C and licensed under GPLv2, and lib B, which is written in Rust and compatible with the API/specs of lib A but the devs have read through the code of lib A, can ...
1
vote
1answer
56 views

Can I be accused of using MIT library in my codebase that internally depends on library not compatible with MIT?

In general, when I make my code dependent on library, do I have to check its dependencies licenses or library license is the only one to be checked on my side? Can I be assused of using MIT library ...
3
votes
1answer
51 views

What does it mean to say two licenses are compatible?

If license A is compatible with license B, does it mean that one can combine code from those two and should be able to release combination under license B? or Is it just symmetric like 'A is ...
3
votes
1answer
57 views

Difference between MongoDB SSPL license and GNU AGPL

I'm trying to understand the difference between the SSPL and the GNU AGPL license, after reading the terms of SSPL. The 13th clause of the license states the following: If you make the ...
3
votes
1answer
53 views

Does GPLv2 allow removing link to original work and adding limitations?

I am a new software developer, so I tend to have works with many open source project on the Internet. I have a few question about the GPL licence, can someone help me to understand them, and if ...
5
votes
1answer
48 views

Can I GPL licence a plugin for a non-free program

I am working on a plugin (in lua) for a proprietary program, but would like to make my plugin open source, and require that anyone making derivative works/plugins also do so. This seems like a good ...
3
votes
2answers
52 views

Alternative implementation of an LGPL library

Is it possible to write alternative implementation of a library which is covered under LGPL 2.1 and keeping the same API ? The alternative implementation will be in the closed source.
1
vote
0answers
14 views

mapbox-gl-native license [duplicate]

Mapbox-gl-native is licensed under 3-Clause BSD license. The license states that we need to attribute mapbox in binary form. Buts its not clear if we can mention within a menu of the app we make or ...
2
votes
2answers
98 views

Can a closed-source software be free

I saw some closed-source software (for Windows), which license explicitly allows to do everything with it, including disassembling, decompiling and modification, but no source is distributed, though ...
0
votes
1answer
54 views

When must a project that uses GPL licensed projects use a GPL license?

i have a project that needs to use tools licensed under the GNU/GPL license. my question is: must a project that a uses GPL licensed tool like netdiscover be licensed as a GPL project? if my ...

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